Mary McCormack

Mary McCormack

Born 1969-02-08 (age 57) Plainfield, New Jersey, USA
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Biography

Mary Catherine McCormack is an American actress. She has had leading roles as Justine Appleton on the series Murder One (1995–1997), as Deputy National Security Adviser Kate Harper on The West Wing (2004–2006), as Deputy U.S. Marshal Mary Shannon on In Plain Sight (2008–2012), and as Peggy on the comedy series The Kids Are Alright (2018–2019).

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Known For

Deep Impact
Deep Impact

1998

as Andrea Baker

1408
1408

2007

as Lilly Enslin

K-PAX
K-PAX

2001

as Rachel Powell

Vicious
Vicious

2025

as Mother

54
54

1998

as New Year's Eve Wife (uncredited)

True Crime
True Crime

1999

as Michelle Ziegler

Miracle on 34th Street
Miracle on 34th Street

1994

as Myrna Foy

Private Parts
Private Parts

1997

as Alison Stern

Gun Shy
Gun Shy

2000

as Gloria Nesstra

Fathers' Day
Fathers' Day

1997

as Virginia Farrell (uncredited)

Mystery, Alaska
Mystery, Alaska

1999

as Donna Biebe

For Your Consideration
For Your Consideration

2006

as Pilgrim Woman

Unpregnant
Unpregnant

2020

as Debra Clarke

Full Frontal
Full Frontal

2002

as Linda

Scooby-Doo! WrestleMania Mystery
Scooby-Doo! WrestleMania Mystery

2014

as Ms. Richards (voice)

The Crash
The Crash

2017

as Sarah Schwab

Dickie Roberts: Former Child Star
Escape from Polygamy
Treehouse
Treehouse

2019

as Lilith

Colin Fitz
Colin Fitz

1997

as Moira